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Program Tracking
Proposal 61-506
Semester P61: 20200401 - 20201001
Principal Investigator Hakon Dahle
Programme Measuring the Hubble constant from time delays in cluster lenses.
Instrument ALFOSC
Time Allocation Obs ~10d apart: 14x36m (J2222) 8x20m (J0909) 5x20m (J1326)
Total Nights 22.8h
Type Mon
Notes Fixed dates to be scheduled
Total Time Spent 09:46 (hh:mm)
Proposal Date Time Type Targets Files Comments Status
61-506 2020-04-01 00:00 Mon none none Due to the measures implemented by the Spanish government, the observatory was closed and there were NO OBERVATIONS. Failed
61-506 2020-04-15 00:00 Mon none none Due to the measures implemented by the Spanish government, the observatory was closed and there were NO OBERVATIONS. Failed
61-506 2020-04-20 00:37 Mon SDSSJ0909,SDSSJ1326 ALDd200080 -2, ALDd200129 -31 Observed
61-506 2020-04-28 00:37 Mon SDSSJ0909, SDSSJ1326 ALDd280116 - ALDd280118, ALDd280175 - ALDd280177 It was not possible to observe J2222 due to clouds. Observed
61-506 2020-05-09 00:36 Mon SDSSJ0909, SDSSJ1326 ALDe090065 - ALDe090067, ALDe090068 - ALDe090070 Both targets were observed with clear conditions and seeing 1.2 - 1 arcsec. Observed
61-506 2020-05-15 00:41 Mon SDSSJ1326, SDSSJ0909 ALDe150067 - 72 Observations carried out without problems. Seeing was 0.8-1.0\". Weather conditions were very good. Observed
61-506 2020-05-19 00:45 Mon SDSSJ2222 ALDe190144 - ALDe190146 Observed in clear skies with good seeing. Finding a guide star took some time. Observed
61-506 2020-05-20 00:18 Mon SDSSJ0909 ALDe200055 - ALDe200057 Only one of the targets could be observed because of guiding problems. Failed
61-506 2020-05-27 00:18 Mon SDSSJ0909 ALDe270107 -09 Observed
61-506 2020-05-29 00:52 Mon SDSSJ1326, SDSSJ2222 ALDe290850-52, 866-68 Observed
61-506 2020-06-05 00:00 Mon The observations could not be attempted due to bad weather. Failed
61-506 2020-06-16 00:00 Mon All night was lost to bad weather. Failed
61-506 2020-06-25 00:51 Mon SDSSJ1326, SDSSJ2222 ALDf250149 - ALDf250151, ALDf250182 - ALDf250184 Both targets observed according to the requirements. Observed
61-506 2020-07-07 00:13 Mon SDSSJ1326 ALDg070079 - ALDg070081 Dusty cloudless bright moon night. Seeing around 1 arcsec. Observed
61-506 2020-07-17 00:00 Mon Almost all night was lost to bad weather. Failed
61-506 2020-07-24 00:33 Mon SDSSJ2222 ALDg240191 - ALDg240193 Clear sky and seeing 1.15-1.3 arcsec. SDSSJ1326 could not be observed because it did not meet the seeing requirements at the indicated LST limits. Observed
61-506 2020-07-30 00:35 Mon SDSSJ2222 ALDg300878 - ALDg300880 Observed without issues. Observed
61-506 2020-08-07 00:53 Mon SDSSJ1326, SDSSJ2222 ALDh070089 - ALDh070094 Both targets observed with good seeing within the LST limits. Observed
61-506 2020-08-15 00:18 Mon SDSSJ1326 ALDh150095 - ALDh150097 Observed with very good conditions. Seeing 0.8 arcsec. Observed
61-506 2020-08-17 00:33 Mon SDSSJ2222 ALDh170137 - ALDh170139 Observed
61-506 2020-08-27 00:33 Mon SDSSJ2222 ALDh270227 - ALDh270229 Dusty sky, seeing around 1 arcsec. Observed
61-506 2020-09-08 00:33 Mon SDSSJ2222 ALDi080530 - ALDi080532 The observations were done successfully according to the requirements. Dusty conditions with no clouds and seeing around 1.4 arcseconds measured on images and 0.9 measured by ING DIMM. Observed
61-506 2020-09-16 00:00 Mon Could not be observed due to bad weather. Failed
61-506 2020-09-24 00:00 Mon No obserations were done. Failed

 

The above information is collected from the ToO/Mon reports that have been created by the observer.

Should any of the observations have been carried out using the OB system, you will find additional information HERE

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